Patriot Day

The the flag of the United States is flown at half-mast at the White House and on all U.S. government buildings and establishments throughout the world; Americans are also encouraged to display flags in and outside their homes. Additionally, a moment of silence is observed to correspond with the attacks, beginning at 8:46 A.M. (Eastern Daylight Time), the time the first plane, American Airlines Flight 11 struck the North Tower of the World Trade Center on September 11, 2001.